diff options
Diffstat (limited to 'bfd/i386aout.c')
| -rw-r--r-- | bfd/i386aout.c | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/bfd/i386aout.c b/bfd/i386aout.c new file mode 100644 index 0000000..4b5a83d --- /dev/null +++ b/bfd/i386aout.c @@ -0,0 +1,88 @@ +/* BFD back-end for i386 a.out binaries. + Copyright (C) 1990-2014 Free Software Foundation, Inc. + + This file is part of BFD, the Binary File Descriptor library. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, + MA 02110-1301, USA. */ + + +/* The only 386 aout system we have here is GO32 from DJ. + These numbers make BFD work with that. If your aout 386 system + doesn't work with these, we'll have to split them into different + files. Send me (sac@cygnus.com) the runes to make it work on your + system, and I'll stick it in for the next release. */ + +#define N_HEADER_IN_TEXT(x) 0 +#define N_TXTOFF(x) 0x20 +#define N_TXTADDR(x) (N_MAGIC (x) == ZMAGIC ? 0x1020 : 0) +#define N_TXTSIZE(x) ((x).a_text) +#define TARGET_PAGE_SIZE 4096 +#define SEGMENT_SIZE 0x400000 +#define DEFAULT_ARCH bfd_arch_i386 + +/* Do not "beautify" the CONCAT* macro args. Traditional C will not + remove whitespace added here, and thus will fail to concatenate + the tokens. */ +#define MY(OP) CONCAT2 (i386_aout_,OP) +#define TARGETNAME "a.out-i386" +#define NO_WRITE_HEADER_KLUDGE 1 + +#include "sysdep.h" +#include "bfd.h" +#include "libbfd.h" +#include "aout/aout64.h" +#include "libaout.h" + +/* Set the machine type correctly. */ + +static bfd_boolean +i386aout_write_object_contents (bfd *abfd) +{ + struct external_exec exec_bytes; + struct internal_exec *execp = exec_hdr (abfd); + + N_SET_MACHTYPE (*execp, M_386); + + obj_reloc_entry_size (abfd) = RELOC_STD_SIZE; + + WRITE_HEADERS (abfd, execp); + + return TRUE; +} + +#define MY_write_object_contents i386aout_write_object_contents +#define MY_backend_data & MY (backend_data) + +static const struct aout_backend_data MY (backend_data); + +#include "aout-target.h" + +static const struct aout_backend_data MY (backend_data) = +{ + 0, /* Zmagic contiguous. */ + 1, /* Text incl header. */ + 0, /* Entry is text address. */ + 0, /* Exec_hdr_flags. */ + 0, /* Text vma? */ + MY (set_sizes), + 1, /* Exec header not counted. */ + 0, /* Add_dynamic_symbols. */ + 0, /* Add_one_symbol. */ + 0, /* Link_dynamic_object. */ + 0, /* Write_dynamic_symbol. */ + 0, /* Check_dynamic_reloc. */ + 0 /* Finish_dynamic_link. */ +}; |